/* --- CSS VARIABLES & RESET --- */
:root {
    --bg-dark: #0A192F;       /* Deep Navy */
    --bg-card: #112240;       /* Lighter Navy */
    --text-main: #E6F1FF;     /* Off-white */
    --text-muted: #cccccc;    /* Slate Grey */
    --accent: #0081cd;        /* Electric Blue/Teal */
    --accent-hover: #16a9ff;
    --font-stack: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --container-width: 1100px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-stack);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* --- UTILITIES --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }
p { color: var(--text-muted); margin-bottom: 1.5rem; }

a { text-decoration: none; color: inherit; transition: 0.3s; }

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    text-align: center;
}

.btn-primary {
    border: 1px solid var(--accent);
    color: white;
    background: var(--accent);
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: white;
}

.btn-ghost {
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
    margin-left: 10px;
}
.btn-ghost:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--text-main);
    color: var(--text-main);
}

section {
    padding: 80px 0;
}

/* --- POWERED BY --- */
.heading-with-powered {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.powered-by {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.powered-by-logo {
    height: 20px;
    width: auto;
    display: inline-block;
}

/* --- NAVIGATION --- */
nav {
    position: sticky;
    top: 0;
    background: rgb(255, 255, 255);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.7);
}
.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.logo span { color: var(--accent); }
.logo img { width: 150px; margin-top: 10px; }

/* --- HERO --- */
.hero {
    /* Deep Navy base with a subtle lighter glow in the center */
    background: radial-gradient(circle at 50% 40%, rgba(0,0,0,1) -2%, transparent 62%), url('hero2.png') no-repeat center center/cover;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 0;
    position: relative;
    overflow: hidden;
}

/* Optional: Adds a very faint grid overlay */
.hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: linear-gradient(rgba(100, 255, 218, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(100, 255, 218, 0.03) 1px, transparent 1px);
    background-size: 50px 50px; /* Size of the grid squares */
    pointer-events: none;
}
.hero h1 {
    font-size: 3rem; /* Large desktop */
    margin-bottom: 1.5rem;
}
.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
}

.hero-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 2rem 0;   
    flex-wrap: wrap;
}

.hero-logo {
    max-width: 300px;
    height: auto;
    max-height: 55px;
    display: block;
}

.hero-logo-divider {
    font-size: 2rem;
    color: #fff;
    opacity: 0.8;
    margin: 0 10px;
}

/* --- EXHIBITION BANNER --- */
.exhibition {
    /* Angled dark stripes */
    background: repeating-linear-gradient(
        45deg,
        #0A192F,
        #0A192F 10px,
        #112240 10px,
        #112240 20px
    );
    border-left: 4px solid var(--accent);
    padding: 40px 0;
}
.exhibition-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.booth-details {
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 4px;
    color: #ff8e00;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 10px;
    display: inline-block;
}

/* --- GRID LAYOUTS --- */
.grid-2, .grid-3 {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 4px;
    transition: transform 0.2s;
}
.card:hover {
    transform: translateY(-5px);
}
.card h3 { color: var(--text-main); }
.card p { font-size: 0.95rem; margin-bottom: 0; }

/* --- PROCESS STEPS --- */
.step {
    position: relative;
    padding-left: 20px;
    border-left: 1px solid var(--text-muted);
}
.step h3 { color: var(--accent); margin-bottom: 0.5rem; }

/* --- AUDIENCE --- */
.checklist-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-muted);
    background-color: #112240;
}
.checklist-item::before {
    content: "✓";
    color: var(--accent);
    margin-right: 15px;
    font-weight: bold;
}

/* --- CLIENT TYPES --- */
.client-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    /* gap: 1rem; */
    margin-top: 2rem;
}

.client-type-item {
    display: flex;
    align-items: center;
    padding: 0.25rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.5rem;
}

.client-type-item::before {
    content: "•";
    color: var(--accent);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    line-height: 1;
}

/* --- FORM --- */
form {
    background: repeating-linear-gradient(
        135deg,
        #112240,
        #112240 8px,
        #0A192F 8px,
        #0A192F 16px
    );
    padding: 2.5rem;
    border-radius: 4px;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid rgba(255,255,255,0.05);
}
.form-group { margin-bottom: 1.5rem; }
label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-main);
}
input, textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-dark);
    border: 1px solid #233554;
    color: var(--text-main);
    border-radius: 4px;
    font-family: inherit;
    resize: vertical;
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.checkbox-group {
    display: flex;
    align-items: center;
}
.checkbox-group input { width: auto; margin-right: 10px; }

/* --- FOOTER --- */
footer {
    background: #020c1b;
    padding: 3rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: #5d6882;
    border-top: 1px solid rgba(255,255,255,0.05);
}
footer p {
    margin-bottom: 1rem;
}
.disclaimer {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-style: italic;
}

/* --- PRIVACY POLICY SPECIFIC --- */
.content {
    max-width: 800px;
    margin: 0 auto;
}
.content h2 {
    margin-top: 2rem;
}
.content a {
    color: var(--accent);
}
.content a:hover {
    color: var(--accent-hover);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .client-types {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .hero h1 { font-size: 2rem; }
    h2 { font-size: 1.25rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .btn-ghost { margin-left: 0; margin-top: 10px; display: block; }
    .exhibition-content { flex-direction: column; text-align: left; align-items: flex-start; }
    .exhibition-cta { margin-top: 20px; }
    nav .btn { display: none; } /* Hide nav button on mobile */
    .hero-logos {
        flex-direction: column;
        gap: 0px;
        
    }
    .hero p {
        font-size: 1rem;
    }
    .hero-logo{
        max-height: 48px;
        max-width: 250px;
    }
    .hero-logo-divider {
        transform: rotate(90deg);
        margin: 5px 0;
    }
    .heading-with-powered {
        flex-direction: column;
        gap: 10px;
    }
    .heading-with-powered {
        align-items: start;
    }
    .client-types {
        grid-template-columns: 1fr;
    }
}